.box {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  padding-top: 46px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.butBox {
  width: 90vw;
  margin-top: 20px;
  margin-bottom: 20px;
}
.topBox {
  width: 90vw;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 10px;
}
.topBox button {
  margin-left: 20px;
}
.refresh {
  width: 20px;
  height: 20px;
}
.loading {
  animation: rotate 2s linear infinite;
}
@keyframes rotate {
  from {
    transform: rotate(0deg);
    /* 从0度开始 */
  }
  to {
    transform: rotate(360deg);
    /* 旋转到360度 */
  }
}
